JPS5813373Y2 - 珠算教習用表示具 - Google Patents
珠算教習用表示具Info
- Publication number
- JPS5813373Y2 JPS5813373Y2 JP1977121373U JP12137377U JPS5813373Y2 JP S5813373 Y2 JPS5813373 Y2 JP S5813373Y2 JP 1977121373 U JP1977121373 U JP 1977121373U JP 12137377 U JP12137377 U JP 12137377U JP S5813373 Y2 JPS5813373 Y2 JP S5813373Y2
- Authority
- JP
- Japan
- Prior art keywords
- display board
- abacus
- numbers
- attached
- multiplication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977121373U JPS5813373Y2 (ja) | 1977-09-09 | 1977-09-09 | 珠算教習用表示具 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1977121373U JPS5813373Y2 (ja) | 1977-09-09 | 1977-09-09 | 珠算教習用表示具 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5448763U JPS5448763U (enrdf_load_stackoverflow) | 1979-04-04 |
| JPS5813373Y2 true JPS5813373Y2 (ja) | 1983-03-15 |
Family
ID=29078450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1977121373U Expired JPS5813373Y2 (ja) | 1977-09-09 | 1977-09-09 | 珠算教習用表示具 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5813373Y2 (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223997U (enrdf_load_stackoverflow) * | 1975-08-08 | 1977-02-19 | ||
| JPS5332631Y2 (enrdf_load_stackoverflow) * | 1975-09-19 | 1978-08-12 |
-
1977
- 1977-09-09 JP JP1977121373U patent/JPS5813373Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5448763U (enrdf_load_stackoverflow) | 1979-04-04 |
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